Visiting local bars in Nyanza-Lac is better when you know what the weather holds. These rainfall averages and temperatures can help you determine the best time for bar-hopping. The hottest months are usually September and August, with an average temperature of 25°C, while the coldest months are July and January, with an average of 24°C. The rainiest months in Nyanza-Lac are April, December, March and November, with each month seeing an average of 331 mm of rainfall.